# CHALK IT PRO vs APEX ENGINE

The clearest difference is in-app purchases: CHALK IT PRO at none against APEX ENGINE's 2. CHALK IT PRO also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.5). APEX ENGINE's advantage is update cadence (daily vs every 6 days). On price and ads there is nothing between them.

Both are free to download. APEX ENGINE sells 2 in-app purchases, starting at $4.99 per month. CHALK IT PRO asks for nothing beyond the download.

CHALK IT PRO ships an update every 6 days, APEX ENGINE daily. The most recent releases landed on October 14, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | CHALK IT PRO | APEX ENGINE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (54 ratings)](https://appshunter.io/ios/app/chalk-it-pro/id1481219410/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 63.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Daily** |
| Monetization | Subscription | — |
| Size | 32 MB | 13 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Green Monster Studios](https://appshunter.io/developer/403051289) | [Vicente Bruguera](https://appshunter.io/developer/1841265652) |

## What reviewers say

### CHALK IT PRO

[App page](https://appshunter.io/ios/app/chalk-it-pro/id1481219410)

This app allows gym owners, personal trainers, and athletes to create and track personalized workouts. It supports multi-level programming, private revenue-generating tracks, and community engagement features.

**Highlights:** Multi-level workout programming, Private revenue-generating tracks, Workout database, Community engagement features, Athlete progress tracking, Remote programming import

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### APEX ENGINE

[App page](https://appshunter.io/ios/app/apex-engine/id6761157633)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Apex Premium Montly | $4.99 | per month |
| Apex Engine Yearly | $29.99 | per year |


## Frequently asked questions

### Is CHALK IT PRO free?

CHALK IT PRO is free to download, with no in-app purchases.

### Is APEX ENGINE free?

APEX ENGINE is free to download, with in-app purchases available.

### Do CHALK IT PRO or APEX ENGINE have ads?

Neither CHALK IT PRO nor APEX ENGINE shows ads.

### Which is updated more often, CHALK IT PRO or APEX ENGINE?

CHALK IT PRO ships an update every 6 days, and APEX ENGINE daily. Most recently, CHALK IT PRO was updated on October 14, 2026 and APEX ENGINE on September 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*